make: making scheme.base.so
  '/home/certainty/sys/opt/chickens/master/bin/csc' -feature compiling-extension -setup-mode    -s -O3 -d1 scheme.base.scm -J -emit-type-file scheme.base.types

Syntax error (:): invalid type syntax

        with-exception-handler
        ((* -> . *) (-> . *) -> . *)

        Expansion history:

        <syntax>          (set!1780 g1781 g1778)
        <syntax>          (##core#set! g1781 g1778)
        <syntax>          (set!1780 g1782 g1778)
        <syntax>          (##core#set! g1782 g1778)
        <syntax>          (##core#app map-loop1777 (##sys#slot g1789 1))
        <syntax>          (##sys#slot g1789 1)
        <syntax>          (##core#let () map-loop1777)
        <syntax>          (##core#begin map-loop1777)
        <syntax>          (##core#app doloop1772 (fx+ i 1))
        <syntax>          (fx+ i 1)
        <syntax>          (##core#let () doloop1772)
        <syntax>          (##core#begin doloop1772)
        <syntax>          (##core#check (##sys#error (##core#immutable (##core#quote "no matching clause in call to 'case-lamb...
        <syntax>          (##sys#error (##core#immutable (##core#quote "no matching clause in call to 'case-lambda' form")))
        <syntax>          (##core#immutable (##core#quote "no matching clause in call to 'case-lambda' form"))
        <syntax>          (: with-exception-handler ((* -> . *) (-> . *) -> . *))       <--

Error: shell command terminated with non-zero exit status 17920: '/home/certainty/sys/opt/chickens/master/bin/chicken' 'scheme.base.scm' -output-file 'scheme.base.c' -dynamic -feature chicken-compile-shared -feature compiling-extension -setup-mode -optimize-level 3 -debug-level 1 -emit-all-import-libraries -emit-type-file scheme.base.types
make: Failed to make scheme.base.so: shell command failed with nonzero exit status 256: